Jaimie Alexander Thor Agents of Shield Signed 8x10 Photo ...This is authentic hand signed in person. I can include a coa that would come from us as we are the one's who obtained the signature. Guranteed to pass any authentication company Shipping will be $5.00 USPS first class mail will be used. Shipping for International will be $10. If you have any questions feel free to contact me. Thanks for your interest in my item.